set number of hash table group to 1

Link: https://github.com/GeneAssembly/biosal/issues/176
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
resize sequence stores

Link: https://github.com/GeneAssembly/biosal/issues/178
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
add input commands to store reads

Link: https://github.com/GeneAssembly/biosal/issues/57
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
fix block distribution

Link: https://github.com/GeneAssembly/biosal/issues/57
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>